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Earnings Per Share (Details Textual)
3 Months Ended
Mar. 21, 2015
Mar. 22, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 38,250us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 75,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount